"Significance of the Constituents of the So-called Nitrogen-free Extract of Plant Materials as a Source of Organic Matter in Soil,", 1940

"Significance of the Constituents of the So-called Nitrogen-free Extract of Plant Materials as a Source of Organic Matter in Soil,", 1940, Box: 25, Folder: 14. Selman A. Waksman Papers, R-MC 003. Rutgers University Archives. https://archives.libraries.rutgers.edu/repositories/3/archival_objects/112534 Accessed November 08, 2024.